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Name: ANSYS ANALYSIS PRELIMS Duration:15mins

Roll no: Time in: Mobile no:

1.The percentage reduction of area in performing tensile test on cast iron may be of the order

of_________________

(a)50% (b)25% (c)0%

(d)15% (e)60%

2.The intensity of stress which causes unit strain is called__________________

(a)unit stress (b)bulk modulus (c)modulus of rigidity

(d)modulus of elasticity (e)principal stress

3.The value of poissons ratio for steel is between_______________

(a)0.01 to 0.1 (b)0.23 to 0.27 (c)0.25 to 0.33

(d)0.4 to 0.6 (e)3 to 4

4.If a material expands freely due to heating it will develop_________

(a)thermal stress (b)tensile stress (c)bending

(d)bending (e)compressive stress (e)no stress

5.Flow stress corresponds to _____________

(a)fluids in motion (b)breaking point (c)rupture stress

(d)piastic deformation of solids (e)none of the above

6.Resilience of a materials is considered where it is subjected to____________

(a)frequent heat treatment (b)fatigue (c)creep

(d)shock loading (e)resonant condition

7.A material capable of absorbing large amount of energy before fracture is knows as_________

(a)Ductility (b)toughness (c)resilience (d)shock proof (e)plasticity

8.A structure , made up of several bars, joined together is known as__________

(a)beam (b)column (c)strut (d)tie (e)frame

9.Acylindrical section having no joint is known as___________

(a)jointless section (b)homogeneous section (c)perfect section

(d)manufactured section (e)seamless section

10.A key is subjected to side pressure as well at shearing forces.These pressure are called_________

(a)bearing stress (b)fatigue stress (c)crushing stress

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(d)resultant stress (e)none of the above

11.A large cylindrical vessel was sealed in summer. what is likely to happen to it in winter_______

(a)nothing (b)explode (c)buckle and collapse

(d)become lighter (e)seal will get loosened.

12.Compression members tend to buckle in the direction of ____________

(a)axis of load (b)perpendicular to axis of load (c)minimum cross-section

(d)least radius of gyration (e)unpredictable.

13.Moment of inertia of an area is alwalys least with respect to__________

90(a)bottommost axis (b)radius of gyration (c)central axis

(d) centroidal axis (e)none of the above

14.The moment diagram for a cantilever beam subjected to bending moment at end of beam will be

______________

(a)rectangle (b)triangle (c)parabola (d)cubic parabola (e)elliptical

15.Bending moment at any point is equal to the algebraic sum of____________

(a)all vertical forces (b)all horizontal forces (c)forces on either side of the point

(d)moments of forces on either side of the point (e)all of the above

16.The design of thin cylinder shells is based on ____________

(a)hoop stress (b)longitudinal stress (c)volumetric stress

(d)average of hoop and longitudinal stress (e)all of the above.

17.According to Hookes law,stress and strain_________

(a)are directly propotional (b)are inversely propotional (c)are curvilinearly related

(d)have unpredictable relationship (e)none of the above.

18.Shear stress on mutually perpendicular planes are__________

(a)zero (b)minimum (c)maximium (d)equal (e)none of the above

19.The yield point in fatigue loading in comparison to yield point in static loading is___________

(a)same (b)lower (c)higher (d)half (e)twice

20.Moment of inertia of an area will be least with respect to __________

(a)horizontal axis (b)ve rtical axis (c)bottom most axis (d)central axis (e)point of suspension.